Hip joint system and acetabulum prosthesis thereof

An acetabular prosthesis and acetabular technology, applied in the direction of hip joints, acetabular recesses, joint implants, etc., can solve the changes in the force of the hip abductors, which affects the normal life of patients, and the center of the femoral head. non-overlapping issues

Pending Publication Date: 2020-12-29
SUZHOU MICROPORT ORTHORECON CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, when different patients choose the same type of universal prosthesis, it is very likely that the center of the femoral head of the prosthesis does not overlap with

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  • Hip joint system and acetabulum prosthesis thereof
  • Hip joint system and acetabulum prosthesis thereof
  • Hip joint system and acetabulum prosthesis thereof

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Embodiment Construction

[0027]In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, many specific details are explained in order to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific implementation disclosed below.

[0028]It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or a central element may also exist. When an element is considered to be "connected" to another element, it can be directly connected to the other elem...

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Abstract

The invention relates to a hip joint prosthesis and an acetabulum lining. The acetabulum lining comprises an acetabulum cup and at least two acetabulum linings, wherein the surface conicity of different acetabulum linings is different, each acetabulum lining is provided with an articular surface used for being matched with a femoral head, and the central positions of the articular surfaces of thedifferent acetabulum linings are different. The acetabulum cup is provided with a containing cavity used for containing any acetabulum lining, at least two partition areas with different conicity areformed on the cavity wall of the containing cavity, and the partition area with one conicity is matched with the acetabulum linings with the specific surface conicity. The acetabulum prosthesis has high universality and can be suitable for patients of different eccentric distances.

Description

Technical field[0001]The invention relates to the technical field of medical devices, in particular to a hip joint system and an acetabular prosthesis.Background technique[0002]Artificial joint replacement is the best arthroplasty at present. Joint replacement brings hope to many patients. It preserves joint function, reduces patient pain and improves the quality of life of patients. And hip replacement is the best clinical effect in joint replacement.[0003]In hip replacement surgery, the normal eccentricity of the femur needs to be restored to obtain proper abductor muscle strength. The eccentricity is the vertical distance between the center of the femoral head and the longitudinal axis of the femoral shaft. Insufficient eccentricity reconstruction will affect the patient's gait, while too long eccentricity will cause excessive pressure on the surrounding soft tissues. Anatomically, the eccentricity of the femur of a normal human body varies greatly from individual to individual, ...

Claims

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Application Information

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IPC IPC(8): A61F2/34
CPCA61F2/34A61F2002/3448
Inventor 孙延东马晓康黄有军
Owner SUZHOU MICROPORT ORTHORECON CO LTD
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